Home / 623,138.40-932,557.20-373,999.20

Finding the Fourth Proportional to 623,138.40, 932,557.20 and 373,999.20

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Solution

The fourth proportional to 623,138.40, 932,557.20 and 373,999.20 is: 559,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,138.40 : 932,557.20 = 373,999.20 : x
  2. Step 2: Convert to fraction form
    623,138.40/932,557.20 = 373,999.20/x
  3. Step 3: Cross multiply
    623,138.40x = 932,557.20 × 373,999.20
  4. Step 4: Simplify right side
    623,138.40x = 348,775,646,754.24
  5. Step 5: Solve for x
    x = 348,775,646,754.24/623,138.40
  6. Step 6: Final answer
    x = 559,708.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.